#516ECF#516ECF

#516ECF is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.5% C 0.153 H 268.6°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#516ECF
RGB	rgb(81, 110, 207)
HSL	hsl(226, 57%, 56%)
HSV	hsv(226, 61%, 81%)
CMYK	cmyk(60.9%, 46.9%, 0%, 18.8%)
CIE-LAB	lab(48.77, 19.36, -53.49)
CIE-LCH	lch(48.77, 56.89, 289.89°)
OKLab	oklab(56.53% -0.0036 -0.1528)
OKLCH	oklch(56.53% 0.153 268.6)
XYZ	xyz(20.2279, 17.4045, 61.3128)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516ECF #CFB251

analogous

#51ADCF #516ECF #7351CF

triadic

#516ECF #CF516E #6ECF51

tetradic

#516ECF #CF51AD #CFB251 #51CF73

square

#516ECF #CF51AD #CFB251 #51CF73

split-complementary

#516ECF #CF7351 #ADCF51

monochromatic

#243982 #314FB2 #516ECF #8196DC #B1BEE9

Accessibility & contrast

On white

4.69

#516ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#516ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516ECF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516ECF	#FFFFFF	#000000	##FFFFFF
##516ECF	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7AD3

Deuteranopia (green-blind)

#296FCD

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #516ecf;
/* rgb */ color: rgb(81, 110, 207);
/* oklch */ color: oklch(56.5% 0.153 268.6);

Tailwind

colors: {
  custom: {
    50: '#8d97de',
    500: '#516ecf',
    950: '#000000',
  },
}

SCSS

$custom: #516ecf;
$custom-light: #8d97de;
$custom-dark: #000000;

JSON

{
  "hex": "#516ecf",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 207
  },
  "hsl": {
    "h": 226.19,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.56534,
    "c": 0.15287,
    "h": 268.6
  },
  "luminance": 0.17406
}

Semantic roles & 50–950 ramp

primary

#516ECF

secondary

#D8CCA4

accent

#BD48E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #516ECF

Body copy rendered with the generated semantic roles for this colour.

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